#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
    int i = 43;
    printf("%d\n",printf("%d",printf("%d",i)));
    cout<<endl<<"allocate space:"<<endl;
    double *p = new double[30000000];
    //sleep(10);
    cout<<"realease space!,"<<endl;
    //delete p;
    return 0;
}
